this logging truck is my mod so it can be driven by 6 PF
1 XL
5 M
two motors are hiden under fuel tanks
front engine is gone to insert the front drive
a special update was done for the back wheels, in this way no more differentials sliping(crcrcr)

Very cool! I just got this set yesterday and was wondering about how to make it all remote control. My first thought was like yours, my second thought was to use a linear actuator to run each of the two switches. Right now I only have two transmitters and receivers